لغو کردن (فعل)
abrogate, annul, nullify, repeal, cancel, override, countermand, disannul, rescind, revoke, supersede
باطل کردن (فعل)
abrogate, annul, cancel, override, undo, invalidate, void, frank, derogate, dispense, frustrate, disannul, invalid, quash, strike out
فسخ کردن (فعل)
annul, cancel, countermand, derogate, disannul, rescind, terminate